CA2020128A1 - Digital signal transmission system protection device - Google Patents
Digital signal transmission system protection deviceInfo
- Publication number
- CA2020128A1 CA2020128A1 CA2020128A CA2020128A CA2020128A1 CA 2020128 A1 CA2020128 A1 CA 2020128A1 CA 2020128 A CA2020128 A CA 2020128A CA 2020128 A CA2020128 A CA 2020128A CA 2020128 A1 CA2020128 A1 CA 2020128A1
- Authority
- CA
- Canada
- Prior art keywords
- digital signal
- signal transmission
- protection device
- transmission system
- system protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Emergency Protection Circuit Devices (AREA)
- Transmitters (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Communication Control (AREA)
- Logic Circuits (AREA)
- Electronic Switches (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
This protection device for a digital signal transmission system comprises, in at least one of the items of terminal equipment of this system, a logic circuit ensuring a placing of the output of this item of equipment in the high-impedance state or at a specified potential in the event of a break in the supply to the logic circuits forming this item of equipment.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8908825 | 1989-06-30 | ||
FR8908825A FR2649270B1 (en) | 1989-06-30 | 1989-06-30 | PROTECTION DEVICE FOR DIGITAL SIGNAL TRANSMISSION SYSTEM |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2020128A1 true CA2020128A1 (en) | 1990-12-31 |
CA2020128C CA2020128C (en) | 1993-12-07 |
Family
ID=9383353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002020128A Expired - Fee Related CA2020128C (en) | 1989-06-30 | 1990-06-29 | Digital signal transmission system protection device |
Country Status (9)
Country | Link |
---|---|
US (1) | US5159212A (en) |
EP (1) | EP0405353B1 (en) |
AT (1) | ATE107451T1 (en) |
AU (1) | AU635284B2 (en) |
CA (1) | CA2020128C (en) |
DE (1) | DE69009864T2 (en) |
ES (1) | ES2056303T3 (en) |
FR (1) | FR2649270B1 (en) |
PL (1) | PL285866A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374861A (en) * | 1993-09-10 | 1994-12-20 | Unisys Corporation | Differential termination network for differential transmitters and receivers |
US5469076A (en) * | 1993-10-20 | 1995-11-21 | Hewlett-Packard Corporation | Static current testing apparatus and method for current steering logic (CSL) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4425517A (en) * | 1981-03-31 | 1984-01-10 | Rca Corporation | Fail soft tri-state logic circuit |
DE3304105A1 (en) * | 1982-01-07 | 1984-08-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Circuit arrangement with subscribers connected to a common bus via tristate circuits |
US4481430A (en) * | 1982-08-02 | 1984-11-06 | Fairchild Camera & Instrument Corp. | Power supply threshold activation circuit |
JPS63217821A (en) * | 1987-03-06 | 1988-09-09 | Toshiba Corp | Semiconductor integrated circuit |
US4902910A (en) * | 1987-11-17 | 1990-02-20 | Xilinx, Inc. | Power supply voltage level sensing circuit |
US4935645A (en) * | 1988-03-02 | 1990-06-19 | Dallas Semiconductor Corporation | Fusing and detection circuit |
-
1989
- 1989-06-30 FR FR8908825A patent/FR2649270B1/en not_active Expired - Fee Related
-
1990
- 1990-06-22 EP EP90111864A patent/EP0405353B1/en not_active Expired - Lifetime
- 1990-06-22 AT AT90111864T patent/ATE107451T1/en not_active IP Right Cessation
- 1990-06-22 DE DE69009864T patent/DE69009864T2/en not_active Expired - Fee Related
- 1990-06-22 ES ES90111864T patent/ES2056303T3/en not_active Expired - Lifetime
- 1990-06-29 CA CA002020128A patent/CA2020128C/en not_active Expired - Fee Related
- 1990-06-29 PL PL28586690A patent/PL285866A1/en unknown
- 1990-06-29 AU AU58056/90A patent/AU635284B2/en not_active Ceased
- 1990-06-29 US US07/545,728 patent/US5159212A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69009864D1 (en) | 1994-07-21 |
DE69009864T2 (en) | 1994-09-22 |
CA2020128C (en) | 1993-12-07 |
EP0405353B1 (en) | 1994-06-15 |
ATE107451T1 (en) | 1994-07-15 |
EP0405353A1 (en) | 1991-01-02 |
FR2649270A1 (en) | 1991-01-04 |
AU635284B2 (en) | 1993-03-18 |
ES2056303T3 (en) | 1994-10-01 |
AU5805690A (en) | 1991-01-03 |
US5159212A (en) | 1992-10-27 |
FR2649270B1 (en) | 1993-12-31 |
PL285866A1 (en) | 1991-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |